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A018215 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`4`
`2`		`32`
`3`		`192`
`4`		`1024`
`5`		`5120`
`6`		`24576`
`7`		`114688`
`8`		`524288`
`9`		`2359296`
`10`		`10485760`
`11`		`46137344`
`12`		`201326592`
`13`		`872415232`
`14`		`3758096384`
`15`		`16106127360`
`16`		`68719476736`
`17`		`292057776128`
`18`		`1236950581248`
`19`		`5222680231936`
`20`		`21990232555520`

[0,4,32,192,1024,5120,24576,114688,524288,2359296, 10485760,46137344,201326592,872415232,3758096384, 16106127360,68719476736,292057776128, 1236950581248,5222680231936,21990232555520]

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Last modified August 6 08:27 EDT 2024. Contains 374960 sequences. (Running on oeis4.)